Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FV-1004 SCBA found under Valve Float by Duchesne Inc. The National Stock Number assigned to this part is 4820015667573, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like FV-1004 SCBA.